package com.tangtang.basic.jvm.oldgc;

/**
 * 演示FULL GC demo
 * -XX:NewSize=10485760 -XX:MaxNewSize=10485760 -XX:InitialHeapSize=20971520 -XX:MaxHeapSize=20971520 -XX:SurvivorRatio=8  -XX:MaxTenuringThreshold=15 -XX:PretenureSizeThreshold=3145728 -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -Xloggc:gc.log
 */
public class FullGCDemo {
    public static void main(String[] args) {
        byte[] array1 =new  byte[4 * 1024 * 1024];
        array1 = null;

        byte[] array2 =new  byte[2 * 1024 * 1024];
        byte[] array3 =new  byte[2 * 1024 * 1024];
        byte[] array4 =new  byte[2 * 1024 * 1024];
        byte[] array5 =new  byte[128 * 1024];
//
        byte[] array6 =new  byte[2 * 1024 * 1024];
    }
}
